mirror of
https://github.com/meta-llama/llama-stack.git
synced 2025-10-03 19:57:35 +00:00
96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import argparse
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from llama_toolchain.cli.subcommand import Subcommand
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from llama_toolchain.core.datatypes import * # noqa: F403
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from pathlib import Path
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import yaml
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class StackBuild(Subcommand):
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def __init__(self, subparsers: argparse._SubParsersAction):
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super().__init__()
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self.parser = subparsers.add_parser(
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"build",
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prog="llama stack build",
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description="Build a Llama stack container",
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formatter_class=argparse.RawTextHelpFormatter,
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)
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self._add_arguments()
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self.parser.set_defaults(func=self._run_stack_build_command)
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def _add_arguments(self):
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self.parser.add_argument(
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"config",
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type=str,
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help="Path to a config file to use for the build",
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)
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self.parser.add_argument(
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"--name",
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type=str,
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help="Override the name of the llama stack build",
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)
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def _run_stack_build_command_from_build_config(
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self, build_config: BuildConfig
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) -> None:
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import json
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import os
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from llama_toolchain.common.config_dirs import DISTRIBS_BASE_DIR
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from llama_toolchain.common.serialize import EnumEncoder
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from llama_toolchain.core.package import ApiInput, build_package, ImageType
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from termcolor import cprint
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# save build.yaml spec for building same distribution again
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if build_config.image_type == ImageType.docker.value:
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# docker needs build file to be in the llama-stack repo dir to be able to copy over to the image
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llama_toolchain_path = Path(os.path.relpath(__file__)).parent.parent.parent
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build_dir = (
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llama_toolchain_path / "configs/distributions" / build_config.image_type
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)
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else:
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build_dir = DISTRIBS_BASE_DIR / build_config.image_type
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os.makedirs(build_dir, exist_ok=True)
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build_file_path = build_dir / f"{build_config.name}-build.yaml"
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with open(build_file_path, "w") as f:
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to_write = json.loads(json.dumps(build_config.dict(), cls=EnumEncoder))
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f.write(yaml.dump(to_write, sort_keys=False))
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build_package(build_config, build_file_path)
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cprint(
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f"Build spec configuration saved at {str(build_file_path)}",
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color="green",
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)
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def _run_stack_build_command(self, args: argparse.Namespace) -> None:
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from llama_toolchain.common.prompt_for_config import prompt_for_config
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from llama_toolchain.core.dynamic import instantiate_class_type
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if not args.config:
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self.parser.error(
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"No config file specified. Please use `llama stack build /path/to/*-build.yaml`. Example config files can be found in llama_toolchain/configs/distributions"
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)
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return
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with open(args.config, "r") as f:
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try:
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build_config = BuildConfig(**yaml.safe_load(f))
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except Exception as e:
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self.parser.error(f"Could not parse config file {args.config}: {e}")
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return
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if args.name:
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build_config.name = args.name
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self._run_stack_build_command_from_build_config(build_config)
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return
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